3-Cyano-4-methyl-2-(trifluoromethoxy)pyridine-6-sulfonamide
6-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Chloromethyl)-4-fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-Cyano-3-methyl-2-(trifluoromethoxy)pyridine-4-sulfonamide